ES2267162T3 - ANTILLAMAS PROTECTION FOR AN AIRBAG. - Google Patents
ANTILLAMAS PROTECTION FOR AN AIRBAG. Download PDFInfo
- Publication number
- ES2267162T3 ES2267162T3 ES98124804T ES98124804T ES2267162T3 ES 2267162 T3 ES2267162 T3 ES 2267162T3 ES 98124804 T ES98124804 T ES 98124804T ES 98124804 T ES98124804 T ES 98124804T ES 2267162 T3 ES2267162 T3 ES 2267162T3
- Authority
- ES
- Spain
- Prior art keywords
- airbag
- gas generator
- bowl
- clamping plate
- airbag module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/233—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R2021/23123—Heat protection panels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
UN MODULO AIRBAG MUESTRA UN SACO DE GAS (1) CON UNA ABERTURA DE ENTRADA, UN GENERADOR DE GAS (2) CON CARGA DE ACCIONAMIENTO PIROTECNICA Y UNA PROTECCION DE LLAMA (3). PARA PREVER UNA PROTECCION DE LLAMA ACTIVA Y CON ELLO SENCILLA Y DE PRECIO ADECUADO, QUE SEA UTILIZABLE EN PROCEDIMIENTOS DE PLEGADO DE SACO DE GAS DIFERENTES, LA PROTECCION DE GAS SE COMPONE DE UNA PARTE TEXTIL (3) EN FORMA DE OLLA SOBRE LA BASE DE MATERIAL RESISTENTE AL CALOR, CUYO FONDO (5) MUESTRA UNA ESCOTADURA CENTRAL, QUE CORRESPONDE A LA ABERTURA DE ENTRADA DEL SACO DE GAS (1), CUYO BORDE RODEA LA ABERTURA DE ENTRADA.AN AIRBAG MODULE SHOWS A GAS SACK (1) WITH AN INPUT OPENING, A GAS GENERATOR (2) WITH A PIROTECHNICAL DRIVE LOAD AND A FLAME PROTECTION (3). TO PREVENT A PROTECTION OF ACTIVE FLAME AND WITH IT SIMPLE AND OF ADEQUATE PRICE, THAT IS USABLE IN PROCEDURES OF FOLDING OF SACO OF DIFFERENT GAS, THE PROTECTION OF GAS IS COMPOSED OF A TEXTILE PART (3) IN THE FORM OF A POT ON THE BASE OF HEAT RESISTANT MATERIAL, WHOSE BACKGROUND (5) SHOWS A CENTRAL SHIELD, THAT CORRESPONDS TO THE GAS SACO INPUT OPENING (1), WHOSE EDGE SURROUNDES THE ENTRY OPENING.
Description
Protección antillamas para un airbag.Lightning protection for an airbag.
La invención se refiere a un módulo de airbag con un airbag con un orificio de entrada, un generador de gas con carga propulsora pirotécnica y una protección contra las llamas.The invention relates to an airbag module with an airbag with an inlet hole, a gas generator with pyrotechnic propellant charge and flame protection.
Cuando se inflaman las cargas de propulsión pirotécnicas para inflar de forma explosiva un airbag se producen unos productos de combustión gaseosos a temperaturas muy elevadas, que no puede soportar el material del airbag que es de un género tejido de plástico. Por este motivo se han hecho ya diversas propuestas sobre la forma en que se pueden equipar y disponer los airbags de los módulos de airbags, para que no sufran daño o incluso puedan ser destruidos completamente debido a los gases de combustión calientes. Estas medidas se recogen bajo el concepto de "protección contra las llamas" y van desde unos sistemas de retención a modo de criba, que tratan de impedir la salida de partículas sólidas calientes del generador de gas, pasando por duplicaciones de material locales en la zona de riesgo, hasta impregnar toda la superficie del airbag con un material resistente al calor.When propulsion loads become inflamed pyrotechnics to explosively inflate an airbag occur gaseous combustion products at very high temperatures, which cannot support the airbag material that is of a genre plastic fabric For this reason they have already become diverse proposals on how you can equip and arrange the airbags of the airbag modules, so that they do not suffer damage or even can be completely destroyed due to the gases of hot combustion These measures are collected under the concept of "protection against flames" and range from systems of retention as a sieve, which try to prevent the exit of hot solid particles from the gas generator, passing through local material duplications in the risk zone, up to impregnate the entire surface of the airbag with a resistant material heat.
En la medida en que se han propuesto duplicaciones de material, no se puede garantizar que las zonas del airbag sometidas en primer lugar a los productos calientes de combustión queden cubiertas con seguridad, puesto que al desplegarse el airbag el material protector se puede correr, si no está unido al material del airbag. Si el material está unido al airbag se producen dificultades al plegarlo ya que la duplicación del material unido es necesariamente más rígida que el resto del material del airbag y, por su parte, puede dar lugar a irregularidades al desplegarse, de tal manera que puede quedar material sin proteger en la zona de los productos calientes de combustión que entren primero.To the extent that they have been proposed material duplications, it cannot be guaranteed that the areas of the airbag first subjected to hot products from combustion are covered safely, since at the airbag unfold the protective material can be run, if not It is attached to the airbag material. If the material is attached to airbag difficulties when folding it because duplication of the bonded material is necessarily more rigid than the rest of the material of the airbag and, on the other hand, can lead to irregularities when deployed, so that it can remain unprotected material in the area of hot products from combustion entering first.
Además, las medidas propuestas como protección contra las llamas, en muchos casos son muy complejas y caras.In addition, the measures proposed as protection against the flames, in many cases they are very complex and expensive.
La patente EP 0 485 605 A1 describe el módulo de airbag en el cual hay un tejido incombustible cosido por la cara interior del airbag, en la zona del generador de gas, como protección contra las llamas.EP 0 485 605 A1 describes the module of airbag in which there is a fireproof fabric sewn on the face inside the airbag, in the gas generator area, such as flame protection
También en la patente JP 05 069 786 que forma especie, se cose una protección textil contra las llamas sobre la cara interior del airbag, en las proximidades del generador de gas.Also in JP 05 069 786 which forms species, a textile protection against the flames is sewn on the inner side of the airbag, in the vicinity of the generator gas.
Se plantea por lo tanto el objetivo de prever en un módulo de airbag de la clase citada inicialmente una protección eficaz contra las llamas, que se pueda realizar de forma sencilla y económica, donde se puedan aplicar los más diversos métodos de plegado del airbag, y que impida con seguridad que los gases calientes de combustión incidan sobre el material del airbag antes de que se expansionen de forma apreciable, y por lo tanto queden enfriados.Therefore, the objective of providing for an airbag module of the class initially cited a protection effective against flames, which can be done simply and economic, where you can apply the most diverse methods of folding the airbag, and safely preventing gases hot combustion strikes the airbag material before that they expand appreciably, and therefore remain chilled
Para resolver este problema se propone un módulo de airbag que presenta las características de la reivindicación 1.To solve this problem, a module is proposed of airbag presenting the characteristics of the claim one.
En un perfeccionamiento de la invención está prevista una chapa de sujeción, el borde del orificio de entrada rodea al generador de gas y va pillado entre el generador de gas y la chapa de sujeción, y el borde del orificio central de la parte textil en forma de cazoleta va pillado junto con el airbag entre la chapa de sujeción y el generador de gas.In an improvement of the invention is provided a clamping plate, the edge of the entrance hole surrounds the gas generator and is caught between the gas generator and the clamping plate, and the edge of the central hole of the part bowl-shaped textile is caught along with the airbag between the clamping plate and gas generator.
Unas realizaciones ventajosas de la idea de la invención se describen en las subreivindicaciones. Otros detalles se describen con mayor precisión mediante el ejemplo de realización representado en las figuras 1 y 2. Las figuras muestran:Advantageous embodiments of the idea of invention are described in the subclaims. Other details they are described more precisely by the embodiment example represented in figures 1 and 2. The figures show:
Figura 1, en una representación esquemática, un módulo de airbag conforme a la invención en estado activado; yFigure 1, in a schematic representation, a airbag module according to the invention in activated state; Y
Figura 2, un detalle muy ampliado de la figura 1.Figure 2, a very enlarged detail of the figure one.
La figura 1 muestra un airbag 1 inflado en forma esférica, con un generador de gas 2 y una protección contra las llamas 3, estando representados en sección el airbag 1 y la protección contra las llamas 3. De acuerdo con la invención, la protección contra las llamas 3 se compone de una pieza textil en forma de cazoleta, de un material resistente al calor, mediante el cual los gases de combustión calientes que salen del generador de gas 2, esencialmente verticales con respecto al eje principal del módulo del airbag, son desviados y se agrupan al menos inicialmente en un flujo conducido paralelo al eje principal del airbag. De esta manera se consigue que los gases de combustión calientes se mantengan alejados con seguridad del material del airbag 1, en tanto no hayan quedado expandidos al menos en cierta medida y de este modo se hayan enfriado.Figure 1 shows an airbag 1 inflated in shape spherical, with a gas generator 2 and protection against you call 3, the airbag 1 and the flame protection 3. According to the invention, the flame protection 3 consists of a textile piece in bowl shape, of a heat-resistant material, by means of the which hot combustion gases leaving the generator gas 2, essentially vertical with respect to the main axis of the Airbag module, are diverted and are grouped at least initially in a flow conducted parallel to the main axis of the airbag. This way you get hot combustion gases to keep the material of the airbag 1 safely away, in both have not been expanded at least to some extent and of This mode has cooled.
De la representación de la figura 2 se puede ver como el airbag 1 y el fondo 5 de la pieza textil 3 en forma de cazoleta van pillados por el borde entre una chapa de sujeción 4 y una pestaña periférica 6 del generador de gas, donde los tornillos 8 pueden servir al mismo tiempo para sujetar el módulo de airbag en una carcasa 11 o similar.From the representation of figure 2 you can see as the airbag 1 and the bottom 5 of the textile part 3 in the form of bowl are caught by the edge between a clamping plate 4 and a peripheral flange 6 of the gas generator, where the screws 8 can serve at the same time to hold the airbag module in a housing 11 or similar.
La pieza textil 3 en forma de cazoleta está realizada y pillada de tal manera que al inflarse el airbag su pared cilíndrica 9 se extiende concéntrica al eje principal del generador de gas, y a una distancia radial respecto a sus orificios de salida 7. De esta manera queda asegurado que los gases de combustión calientes que escapan no puedan llegar a entrar en contacto con el material del airbag 1 hasta que se hayan expandido y alcanzado el volumen de la pieza textil 3 en forma de cazoleta. Puede conseguirse otro perfeccionamiento si el borde de la cazoleta de la pieza textil 3 en forma de cazoleta que no está amarrado y que está enfrentado al fondo 5, se coloca uno sobre el otro y las zonas superpuestas se unen entre sí mediante una costura 10, que rompe al inflarse el airbag 1. De este modo, los gases de combustión calientes quedan encerrados dentro de la pieza textil 3 en forma de cazoleta hasta que su presión interior sea suficiente para romper la costura 10. Es obvio que modificando la resistencia al desgarro de la costura 10 se puede influir en el comportamiento de expansión del airbag.The bowl-shaped textile piece 3 is made and caught in such a way that when the airbag inflates its wall cylindrical 9 extends concentrically to the main axis of the generator of gas, and at a radial distance from its exit holes 7. This ensures that the flue gases Hot escaping cannot get in touch with the airbag material 1 until they have expanded and reached the volume of the textile piece 3 in the shape of a bowl. Can be achieved another improvement if the edge of the bowl of the piece 3 bowl-shaped textile that is not tied and is facing the bottom 5, it is placed one above the other and the zones overlays are joined together by a seam 10, which breaks the airbag inflate 1. In this way, flue gases hot are locked inside the textile piece 3 in the form of bowl until its internal pressure is sufficient to break the seam 10. It is obvious that by modifying the tear resistance of the seam 10 can influence the expansion behavior of the airbag
La protección contra las llamas realizada de acuerdo con la invención se puede pillar de forma sencilla junto con el airbag. Para su disposición y fijación en el interior del airbag no se necesitan por lo tanto medios adicionales. En particular no es necesario unir la protección contra las llamas de alguna otra manera con el material del airbag, de manera que al plegarlo no se pueden producir las dificultades citadas inicialmente. De este modo se crea una protección eficaz y segura del material del airbag frente a los productos de combustión calientes.The flame protection made of according to the invention it can be easily caught together with the airbag For its arrangement and fixation inside the airbag therefore, no additional means are needed. Not particularly it is necessary to join the protection against the flames of some other way with the airbag material, so that when folded it does not they can produce the difficulties mentioned initially. In this way effective and safe protection of the airbag material is created against hot combustion products.
Claims (6)
- --
- donde la protección contra las llamas consiste en una pieza textil (3) en forma de cazoleta, de un material resistente al calor, cuyo fondo (5) presenta un orificio central correspondiente al orificio de entrada del airbag (1), y cuyo borde rodea al orificio de entrada, where flame protection consists of a textile piece (3) in the form of a bowl, of a heat-resistant material, whose bottom (5) has a central hole corresponding to the hole of entry of the airbag (1), and whose edge surrounds the hole of entry,
- --
- donde está prevista una chapa de sujeción (4), donde el borde del orificio de entrada rodea al generador de gas (2) y queda pillado entre el generador de gas (2) y la chapa de sujeción (4), y el borde del orificio central de la pieza textil (3) en forma de cazoleta va pillado junto con el airbag (1) entre la chapa de sujeción (4) y el generador de gas (2), where a clamping plate (4) is provided, where the edge of the entrance hole surrounds the gas generator (2) and gets caught between the gas generator (2) and the clamping plate (4), and the edge of the central hole of the textile piece (3) in the shape of a bowl caught together with the airbag (1) between the clamping plate (4) and the gas generator (2),
- --
- donde el generador de gas (2) presenta una zona de pared cilíndrica que después del montaje queda situada en el interior del airbag (1), y en el cual están previstos orificios de salida (7) para los productos de combustión gaseosos de la carga propelente, orientados radialmente con respecto al eje principal del generador de gas (2), caracterizado porquewhere the gas generator (2) has a cylindrical wall area that after assembly is located inside the airbag (1), and in which exit holes (7) are provided for the gaseous combustion products of the cargo propellant, oriented radially with respect to the main axis of the gas generator (2), characterized in that
- --
- la pieza textil (3) en forma de cazoleta, de un material resistente al calor, presenta una pared cilíndrica (9), que estando activado el airbag (1) se extiende aproximadamente paralela al eje principal del generador de gas (2), y con una separación radial respecto a los orificios de salida (7), y mediante la cual los gases calientes de combustión que salen del generador de gas (2), esencialmente en dirección perpendicular al eje principal del módulo del airbag, son desviados y se reúnen en un flujo conducido al menos inicialmente paralelo al eje principal del airbag, y porque the textile piece (3) in the shape of a bowl, of a resistant material to heat, it has a cylindrical wall (9), which being activated the airbag (1) extends approximately parallel to the main axis of the gas generator (2), and with a radial separation from the outlets (7), and by which the hot gases of combustion leaving the gas generator (2), essentially in direction perpendicular to the main axis of the airbag module, are diverted and meet in a flow conducted at least initially parallel to the main axis of the airbag, and because
- --
- el borde del orificio central de la pieza textil (3) en forma de cazoleta está unido al airbag (1) exclusivamente al quedar pillado conjuntamente entre la chapa de sujeción (4) y el generador de gas (2). the edge of the central hole of the textile piece (3) in the form of bowl is attached to the airbag (1) exclusively when caught jointly between the clamping plate (4) and the gas generator (2).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29800444U DE29800444U1 (en) | 1998-01-13 | 1998-01-13 | Flame protection for an airbag |
DE29800444U | 1998-01-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2267162T3 true ES2267162T3 (en) | 2007-03-01 |
Family
ID=8051184
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES98124804T Expired - Lifetime ES2267162T3 (en) | 1998-01-13 | 1998-12-29 | ANTILLAMAS PROTECTION FOR AN AIRBAG. |
Country Status (7)
Country | Link |
---|---|
US (1) | US6217067B1 (en) |
EP (1) | EP0930201B1 (en) |
JP (1) | JPH11255056A (en) |
KR (1) | KR19990067838A (en) |
BR (1) | BR9900041A (en) |
DE (2) | DE29800444U1 (en) |
ES (1) | ES2267162T3 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19926425B4 (en) * | 1999-06-10 | 2008-07-10 | Adam Opel Ag | Inflator for an airbag unit |
DE19962946A1 (en) * | 1999-12-24 | 2001-07-12 | Daimler Chrysler Ag | Airbag module has protective fabric layer that separates along preferred separation lines when gas escapes to form flaps that contact expanding airbag at edges of gas escape passage |
US6336659B1 (en) * | 2000-05-15 | 2002-01-08 | Trw, Inc. | Air bag module with inflator shield |
JP4848141B2 (en) * | 2005-06-08 | 2011-12-28 | マツダ株式会社 | Airbag device |
JP4836494B2 (en) | 2005-06-08 | 2011-12-14 | 芦森工業株式会社 | Airbag device |
KR101359432B1 (en) * | 2005-07-07 | 2014-02-07 | 아시모리고교 가부시키가이샤 | Airbag device |
DE102016114278B4 (en) | 2016-08-02 | 2019-01-10 | Joyson Safety Systems Germany Gmbh | Airbag for an airbag module of a motor vehicle |
DE102022107566A1 (en) | 2022-03-30 | 2023-10-05 | Dalphi Metal Espana, S.A. | GAS BAG FOR A VEHICLE PASSENGER RESTRAINT SYSTEM, METHOD FOR THE PRODUCTION THEREOF AND GAS BAG MODULE AND VEHICLE STEERING WHEEL WITH SUCH A GAS BAG |
Family Cites Families (24)
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US3473824A (en) * | 1967-08-18 | 1969-10-21 | Eaton Yale & Towne | Safety device |
US3606377A (en) * | 1968-11-04 | 1971-09-20 | Eaton Yale & Towne | Vehicle crash restraint system |
CA954161A (en) * | 1970-10-23 | 1974-09-03 | John J. Sack | Energy absorbtion |
DE2111898C2 (en) * | 1971-03-12 | 1981-11-19 | Daimler-Benz Ag, 7000 Stuttgart | "Impact protection device for the occupant of a motor vehicle" |
JPH0534285Y2 (en) * | 1987-02-05 | 1993-08-31 | ||
JPH01311930A (en) * | 1988-06-09 | 1989-12-15 | Nippon Plast Co Ltd | Driver protecting device for car or the like |
JPH0293091A (en) * | 1988-09-30 | 1990-04-03 | Hitachi Ltd | Electroless gold plating liquid |
US5071161A (en) * | 1989-10-06 | 1991-12-10 | 501 Breed Automotive Technology, Inc. | Air bag restraint system with venting means |
JPH03287431A (en) * | 1990-04-04 | 1991-12-18 | Toyoda Gosei Co Ltd | Air bag protecting rubber molded article |
JPH03292237A (en) * | 1990-04-10 | 1991-12-24 | Asahi Chem Ind Co Ltd | Air bag with cylindrical strap |
DE69022998T2 (en) * | 1990-05-30 | 1996-05-15 | Takata Corp | AIR BAG DEVICE. |
DE4121659C2 (en) * | 1991-06-29 | 1996-05-02 | Daimler Benz Ag | Impact protection device for vehicle occupants |
DE4217956A1 (en) * | 1991-07-16 | 1993-01-21 | Daimler Benz Ag | Gas generator inflating passenger protecting cushion - has holding ring bent to cover bead on cushion completely |
JP2932015B2 (en) * | 1991-09-14 | 1999-08-09 | 池田物産株式会社 | Airbag device |
US5249824A (en) * | 1991-11-19 | 1993-10-05 | Trw Inc. | Air bag structure and method of forming |
DE4227559C2 (en) * | 1992-08-20 | 1998-01-15 | Daimler Benz Ag | Passenger restraint system for motor vehicles with a gas bag (airbag) |
US5405166A (en) * | 1993-07-30 | 1995-04-11 | Alliedsignal Inc. | Air bag with inflation limiter |
DE4442118B4 (en) * | 1993-11-26 | 2004-07-01 | Toyoda Gosei Co., Ltd., Nishikasugai | air bag |
US5466003A (en) * | 1994-06-30 | 1995-11-14 | Takata Corporation | Inflatable seat belt having bag filter |
JP2980839B2 (en) * | 1996-02-14 | 1999-11-22 | 日本プラスト株式会社 | Airbag device and method of manufacturing airbag device |
US5848805A (en) * | 1996-03-29 | 1998-12-15 | Toyo Tire & Rubber Co., Ltd. | Bag for an airbag for a vehicle |
DE29612777U1 (en) * | 1996-07-23 | 1996-11-21 | Trw Repa Gmbh | Airbag module for a vehicle occupant restraint system |
JP3792796B2 (en) * | 1996-08-30 | 2006-07-05 | 日本プラスト株式会社 | Airbag device |
US5860672A (en) * | 1996-11-25 | 1999-01-19 | Morton International, Inc. | Airbag baffle mount |
-
1998
- 1998-01-13 DE DE29800444U patent/DE29800444U1/en not_active Expired - Lifetime
- 1998-12-29 EP EP98124804A patent/EP0930201B1/en not_active Expired - Lifetime
- 1998-12-29 DE DE59813631T patent/DE59813631D1/en not_active Expired - Lifetime
- 1998-12-29 ES ES98124804T patent/ES2267162T3/en not_active Expired - Lifetime
-
1999
- 1999-01-12 KR KR1019990000508A patent/KR19990067838A/en not_active Application Discontinuation
- 1999-01-12 BR BR9900041-5A patent/BR9900041A/en not_active IP Right Cessation
- 1999-01-13 US US09/229,712 patent/US6217067B1/en not_active Expired - Lifetime
- 1999-01-13 JP JP11006780A patent/JPH11255056A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE59813631D1 (en) | 2006-08-17 |
JPH11255056A (en) | 1999-09-21 |
DE29800444U1 (en) | 1998-04-23 |
EP0930201B1 (en) | 2006-07-05 |
EP0930201A3 (en) | 2002-10-02 |
BR9900041A (en) | 2000-03-28 |
EP0930201A2 (en) | 1999-07-21 |
KR19990067838A (en) | 1999-08-25 |
US6217067B1 (en) | 2001-04-17 |
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